I will debug and fix nextjs, react and nodejs bugs professionally

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Kazi Mamun

About this gig

Facing React bugs or errors in your MERN application?

I fix React issues caused by Node.js, API, or MongoDB problems.

I specialize in debugging and fixing MERN stack issues quickly and safely without breaking your existing features.

What I Can Fix

React.js & Frontend Bugs

  • React Hooks issues (useState, useEffect, etc.)
  • State management bugs (Context API / Redux)
  • UI & responsive issues (Tailwind CSS, Bootstrap)
  • Console errors & broken components

Node.js & Express Backend Bugs

  • REST API & routing errors
  • JWT authentication & authorization issues
  • Middleware problems
  • CORS & server-side bugs

MongoDB & Mongoose

  • Schema & validation errors
  • CRUD operation issues
  • Database connection problems

Deployment & Integration Issues

  • API fetch errors
  • Environment variable issues
  • Server & deployment bugs

⭐ Why Choose Me?

  • Logic-driven debugging (root cause focused)
  • Clean & safe fixes
  • Fast response & delivery
  • Friendly communication

Please message me before ordering with:

  • Error message / screenshots
  • GitHub repo or code access

Lets fix your app and get it running smoothly again.

NOTE: Please message me with the MERN Bugs or react bug details before placing an order. Let's get your app back to work!

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Get to know Kazi Mamun

Kazi Mamun

Full Stack Developer, NextJs, NodeJs, Automation Expert

  • FromBangladesh
  • Member sinceJan 2023
  • Avg. response time1 hour
  • Languages

    Bengali, English, Hindi
I help businesses automate workflows, build modern web applications, and scalable backend using Next.js, Node.js, and n8n automation. My expertise: • Next.js & React applications • Admin & analytics dashboards • REST API development with Node.js, MySql & MongoDB • Business workflow custom automation systems using n8n I focus on building clean, scalable, and business-oriented solution that save time and improve efficiency. Whether you need a modern web app, automation workflow, or backend system, I can help turn your idea into a reliable product with fast communication and quality delivery.

My Portfolio